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Seeds - Broadleaf Arrowhead

Sagittaria latifolia

Minimum 100 semences par enveloppe

Sale price

Regular price $4.25
( / )
Harvest year

Année de récolte: 2023


Catégories: bandes riveraines, comestible, indigène, vivace,

Aire de répartition indigène: BC, AB, SK, MB, ON, QC, NB, PE, NS, NL,

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For successful seedlings,
see the growing notes at the bottom of the page!

Broadleaf arrowhead (Sagittaria latifolia), also known as common arrowhead, is a perennial aquatic plant that forms colonies along rivers, lakes, and wetlands. It stands elegantly above the water with its large, arrow-shaped leaves. In summer, it produces clusters of white flowers with three petals and three green sepals, atop stems that can reach up to 1.2 metres in height. Adapted to aquatic environments, this plant is ideal for pond or stream banks in water gardens.

Medicinal and Culinary Uses
Broadleaf arrowhead is an edible plant with several consumable parts. Young leaves, shoots, and tender inflorescences can be eaten raw in salads or cooked. However, its tubers, rich in starch, are the most prized part. Once cooked, these tubers have a texture similar to potatoes and can be incorporated into various dishes.

Ecological Roles
Broadleaf arrowhead plays an essential ecological role by supporting wetland biodiversity. Its tubers provide a food source for many aquatic animals, such as ducks, turtles, and various mammals. Additionally, this plant aids in water filtration and oxygenation, helping to remove excess nutrients and impurities. Cultivating the broadleaf arrowhead in aquatic settings supports ecosystem health and stabilizes banks with its robust root system.

 

Broadleaf arrowhead seeds require cold stratification to ensure germination. See the cultivation notes below for more details.

Akène cannot assume any responsibility for the use of plants for therapeutic purposes. Always seek advice from a professional before using a medicinal or edible plant.

Growing Notes | Seeds - Broadleaf Arrowhead

Broadleaf arrowhead seeds require double cold stratification to germinate.

Sow at the end of autumn by pressing onto the soil surface, as it needs light to germinate.

However, it may take two winters after planting for the seeds to finally start developing.

To accelerate the process, you can simulate a cold stratification period by mixing the seeds with a moist substrate (vermiculite, perlite, or sand) and placing them in a plastic bag in the refrigerator for 60 days.

Remove from the refrigerator and keep at room temperature for 30 days, then place the seeds back in the refrigerator for a second cold stratification of 60 days.

Sow the seeds on the surface of continuously moist or even muddy soil. The water depth can be increased as the plant grows.

This plant thrives along the water's edge or in up to 12 inches of water. It will eventually spread by rhizome and self-seeding.

Seeds per packet: 100

Family: Alismataceae

Scientific name: Sagittaria latifolia

Life cycle: Perennial

Hardiness zone: 3

Soil type:
Silty to clayey

Soil moisture level: Wet to soggy

Soil - additional attributes:

Light: Sun, partial shade

Blooming: July to September

Spacing: 30 cm

Height: 120 cm

Deer resistance: Low

Stratification: 2 x 60 days

Scarification: No

Germination time: 15 to 30 days

Sowing depth: Surface